How does the Lewis blood group system influence the secretion of ABO blood group antigens?

A It enhances the secretion of ABO antigens
B It inhibits the secretion of ABO antigens
C It has no effect on the secretion of ABO antigens
D It determines the presence or absence of ABO antigens in saliva and other bodily fluids ✓

Explanation

The Lewis blood group system determines whether an individual is a secretor (Se) or non-secretor (se) of ABO blood group antigens into bodily fluids like saliva, which can affect the interpretation of ABO typing in certain contexts.

Source

Textbooks on immunohematology and transfusion medicine
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: high